HW Question 11.19

[Kiana Nguyen 3C]

How can you tell if a solution is acidic, basic, or amphoteric?

The question is:
State whether the following oxides are acidic, basic, or amphoteric:
a) BaO
b) SO3
c) As2O3
d) Bi2O3

[Niharika Reddy 1D]

Generally, oxides of nonmetals form acidic oxides (SO₃), oxides of metals form basic oxides (BaO), and oxides of the elements in and close to the diagonal line of metalloids typically form amphoteric oxides (As₂O₃ and Bi₂O₃), which can function as both an acid and a base.
Page 129 in the course reader and section 11.3 in the textbook discuss acidic, basic, and amphoteric oxides.

Hope this helps!